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  • Amazon Fan; Aves Ridge; Bahamas; BCR; Beata Ridge; Box corer (Reineck); Brazil Basin; Calculated, see reference(s); Center for Marine Environmental Sciences; Columbia Basin; Comment; DEPTH, sediment/rock; Depth of thermocline; Elevation of event; Equatorial Atlantic; Event label; GeoB1104-5; GeoB1105-3; GeoB1106-5; GeoB1108-6; GeoB1111-5; GeoB1112-3; GeoB1113-7; GeoB1114-3; GeoB1115-4; GeoB1116-1; GeoB1503-2; GeoB1505-3; GeoB1506-1; GeoB1508-1; GeoB1511-6; GeoB1512-1; GeoB1513-2; GeoB1515-2; GeoB1523-2; GeoB4304-1; GeoB4305-1; Giant box corer; GKG; Guadeloupe; Guinea Basin; Latitude of event; Longitude of event; M16/2; M35/1; M35002-1; M35003-6; M35004-1; M35005-3; M35006-6; M35008-1; M35010-2; M35012-6; M35013-3; M35014-1; M35015-1; M35018-1; M35019-1; M35020-2; M35023-3; M35024-6; M35026-2; M35030-1; M35032-1; M35034-3; M35035-1; M35036-3; M35037-1; M35038-1; M35039-1; M38/1; M9/4; Martinique; MARUM; Meteor (1986); Midatlantic Ridge; MUC; MultiCorer; Multiple revolver box corer; RASTA/GOLDFLOS; RKG; Season; SO164; SO164-01-3; SO164-02-3; SO164-03-3; SO164-04-2; SO164-07-3; SO164-18-1; SO164-19-3; SO164-20-2; SO164-21-3; SO164-22-2; SO164-23-3; SO164-24-3; SO164-25-3; SO164-48-2; SO164-50-3; Sonne; Venezuela Basin  (3)
  • Center for Marine Environmental Sciences; MARUM  (3)
  • 202-1232B; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Joides Resolution; Leg202; Ocean Drilling Program; ODP; Sample code/label; South Pacific Ocean; Uniform resource locator/link to image  (2)
Collection
Keywords
Publisher
Years
  • 1
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    PANGAEA
    In:  Supplement to: Collins, James A; Schefuß, Enno; Govin, Aline; Mulitza, Stefan; Tiedemann, Ralf (2014): Insolation and glacial–interglacial control on southwestern African hydroclimate over the past 140 000 years. Earth and Planetary Science Letters, 398, 1-10, https://doi.org/10.1016/j.epsl.2014.04.034
    Publication Date: 2023-03-03
    Description: The past climate evolution of southwestern Africa is poorly understood and interpretations of past hydrological changes are sometimes contradictory. Here we present a record of leaf-wax dD and View the MathML source taken from a marine sediment core at 23°S off the coast of Namibia to reconstruct the hydrology and C3 versus C4 vegetation of southwestern Africa over the last 140 000 years (140 ka). We find lower leaf-wax dD and higher View the MathML source (more C4 grasses), which we interpret to indicate wetter Southern Hemisphere (SH) summer conditions and increased seasonality, during SH insolation maxima relative to minima and during the last glacial period relative to the Holocene and the last interglacial period. Nonetheless, the dominance of C4 grasses throughout the record indicates that the wet season remained brief and that this region has remained semi-arid. Our data suggest that past precipitation increases were derived from the tropics rather than from the winter westerlies. Comparison with a record from the Congo Basin indicates that hydroclimate in southwestern Africa has evolved in antiphase with that of central Africa over the last 140 ka.
    Keywords: Center for Marine Environmental Sciences; MARUM
    Type: Dataset
    Format: application/zip, 9 datasets
    Location Call Number Expected Availability
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  • 2
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    Unknown
    PANGAEA
    In:  Supplement to: Zhang, Yancheng; Chiessi, Cristiano Mazur; Mulitza, Stefan; Zabel, Matthias; Trindade, Ricardo F; Hollanda, Maria Helena B M; Dantas, Elton L; Govin, Aline; Tiedemann, Ralf; Wefer, Gerold (2015): Origin of increased terrigenous supply to the NE South American continental margin during Heinrich Stadial 1 and the Younger Dryas. Earth and Planetary Science Letters, 432, 493-500, https://doi.org/10.1016/j.epsl.2015.09.054
    Publication Date: 2023-06-15
    Description: We investigate the redistribution of terrigenous materials in the northeastern (NE) South American continental margin during slowdown events of the Atlantic Meridional Overturning Circulation (AMOC). The compilation of stratigraphic data from 108 marine sediment cores collected across the western tropical Atlantic shows an extreme rise in sedimentation rates off the Parnaíba River mouth (about 2°S) during Heinrich Stadial 1 (HS1, 18-15 ka). Sediment core GeoB16206-1, raised offshore the Parnaíba River mouth, documents relatively constant 143Nd/144Nd values (expressed as epsilonNd(0)) throughout the last 30 ka. Whereas the homogeneous epsilonNd(0) data support the input of fluvial sediments by the Parnaíba River from the same source area directly onshore, the increases in Fe/Ca, Al/Si and Rb/Sr during HS1 indicate a marked intensification of fluvial erosion in the Parnaíba River drainage basin. In contrast, the epsilonNd(0) values from sediment core GeoB16224-1 collected off French Guiana (about 7°N) suggest Amazon-sourced materials within the last 30 ka. We attribute the extremely high volume of terrigenous sediments deposited offshore the Parnaíba River mouth during HS1 to (i) an enhanced precipitation in the catchment region and (ii) a reduced North Brazil Current, which are both associated with a weakened AMOC.
    Keywords: Center for Marine Environmental Sciences; MARUM
    Type: Dataset
    Format: application/zip, 8 datasets
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  • 3
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    PANGAEA
    In:  Supplement to: Mulitza, Stefan; Schefuß, Enno; Chiessi, Cristiano Mazur; Lippold, Jörg; Wichmann, David; Antz, Benny; Mackensen, Andreas; Paul, André; Prange, Matthias; Rehfeld, Kira; Werner, Martin; Bickert, Torsten; Frank, Norbert; Kuhnert, Henning; Lynch-Stieglitz, Jean; Portilho-Ramos, Rodrigo Costa; Sawakuchi, André Oliveira; Schulz, Michael; Schwenk, Tilmann; Tiedemann, Ralf; Vahlenkamp, Maximilian; Zhang, Yancheng (2017): Synchronous and proportional deglacial changes in Atlantic meridional overturning and northeast Brazilian precipitation. Paleoceanography, https://doi.org/10.1002/2017PA003084
    Publication Date: 2023-06-21
    Description: Changes in heat transport associated with fluctuations in the strength of the Atlantic meridional overturning circulation (AMOC) are widely considered to affect the position of the Intertropical Convergence Zone (ITCZ), but the temporal immediacy of this teleconnection has to date not been resolved. Based on a high-resolution marine sediment sequence over the last deglaciation, we provide evidence for a synchronous and near-linear link between changes in the Atlantic interhemispheric sea surface temperature difference and continental precipitation over northeast Brazil. The tight coupling between AMOC strength, sea surface temperature difference, and precipitation changes over northeast Brazil unambiguously points to a rapid and proportional adjustment of the ITCZ location to past changes in the Atlantic meridional heat transport.
    Keywords: Center for Marine Environmental Sciences; MARUM
    Type: Dataset
    Format: application/zip, 11 datasets
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  • 4
    Publication Date: 2024-01-09
    Keywords: 202-1232B; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Joides Resolution; Leg202; Ocean Drilling Program; ODP; Sample code/label; South Pacific Ocean; Uniform resource locator/link to image
    Type: Dataset
    Format: text/tab-separated-values, 20 data points
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  • 5
    Publication Date: 2024-01-09
    Keywords: 202-1232B; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Joides Resolution; Leg202; Ocean Drilling Program; ODP; Sample code/label; South Pacific Ocean; Uniform resource locator/link to image
    Type: Dataset
    Format: text/tab-separated-values, 176 data points
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  • 6
    Publication Date: 2024-07-01
    Keywords: Amazon Fan; Aves Ridge; Bahamas; BCR; Beata Ridge; Box corer (Reineck); Brazil Basin; Calculated, see reference(s); Center for Marine Environmental Sciences; Columbia Basin; Comment; DEPTH, sediment/rock; Depth of thermocline; Elevation of event; Equatorial Atlantic; Event label; GeoB1104-5; GeoB1105-3; GeoB1106-5; GeoB1108-6; GeoB1111-5; GeoB1112-3; GeoB1113-7; GeoB1114-3; GeoB1115-4; GeoB1116-1; GeoB1503-2; GeoB1505-3; GeoB1506-1; GeoB1508-1; GeoB1511-6; GeoB1512-1; GeoB1513-2; GeoB1515-2; GeoB1523-2; GeoB4304-1; GeoB4305-1; Giant box corer; GKG; Guadeloupe; Guinea Basin; Latitude of event; Longitude of event; M16/2; M35/1; M35002-1; M35003-6; M35004-1; M35005-3; M35006-6; M35008-1; M35010-2; M35012-6; M35013-3; M35014-1; M35015-1; M35018-1; M35019-1; M35020-2; M35023-3; M35024-6; M35026-2; M35030-1; M35032-1; M35034-3; M35035-1; M35036-3; M35037-1; M35038-1; M35039-1; M38/1; M9/4; Martinique; MARUM; Meteor (1986); Midatlantic Ridge; MUC; MultiCorer; Multiple revolver box corer; RASTA/GOLDFLOS; RKG; Season; SO164; SO164-01-3; SO164-02-3; SO164-03-3; SO164-04-2; SO164-07-3; SO164-18-1; SO164-19-3; SO164-20-2; SO164-21-3; SO164-22-2; SO164-23-3; SO164-24-3; SO164-25-3; SO164-48-2; SO164-50-3; Sonne; Venezuela Basin
    Type: Dataset
    Format: text/tab-separated-values, 571 data points
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  • 7
    Publication Date: 2024-07-01
    Keywords: Amazon Fan; Aves Ridge; Bahamas; BCR; Beata Ridge; Box corer (Reineck); Brazil Basin; Calculated, see reference(s); Center for Marine Environmental Sciences; Columbia Basin; Comment; DEPTH, sediment/rock; Depth of thermocline; Elevation of event; Equatorial Atlantic; Event label; GeoB1104-5; GeoB1105-3; GeoB1106-5; GeoB1108-6; GeoB1111-5; GeoB1112-3; GeoB1113-7; GeoB1114-3; GeoB1115-4; GeoB1116-1; GeoB1503-2; GeoB1505-3; GeoB1506-1; GeoB1508-1; GeoB1511-6; GeoB1512-1; GeoB1513-2; GeoB1515-2; GeoB1523-2; GeoB4304-1; GeoB4305-1; Giant box corer; GKG; Guadeloupe; Guinea Basin; Latitude of event; Longitude of event; M16/2; M35/1; M35002-1; M35003-6; M35004-1; M35005-3; M35006-6; M35008-1; M35010-2; M35012-6; M35013-3; M35014-1; M35015-1; M35018-1; M35019-1; M35020-2; M35023-3; M35024-6; M35026-2; M35030-1; M35032-1; M35034-3; M35035-1; M35036-3; M35037-1; M35038-1; M35039-1; M38/1; M9/4; Martinique; MARUM; Meteor (1986); Midatlantic Ridge; MUC; MultiCorer; Multiple revolver box corer; RASTA/GOLDFLOS; RKG; Season; SO164; SO164-01-3; SO164-02-3; SO164-03-3; SO164-04-2; SO164-07-3; SO164-18-1; SO164-19-3; SO164-20-2; SO164-21-3; SO164-22-2; SO164-23-3; SO164-24-3; SO164-25-3; SO164-48-2; SO164-50-3; Sonne; Venezuela Basin
    Type: Dataset
    Format: text/tab-separated-values, 488 data points
    Location Call Number Expected Availability
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  • 8
    Publication Date: 2024-07-01
    Keywords: Amazon Fan; Aves Ridge; Bahamas; BCR; Beata Ridge; Box corer (Reineck); Brazil Basin; Calculated, see reference(s); Center for Marine Environmental Sciences; Columbia Basin; Comment; DEPTH, sediment/rock; Depth of thermocline; Elevation of event; Equatorial Atlantic; Event label; GeoB1104-5; GeoB1105-3; GeoB1106-5; GeoB1108-6; GeoB1111-5; GeoB1112-3; GeoB1113-7; GeoB1114-3; GeoB1115-4; GeoB1116-1; GeoB1503-2; GeoB1505-3; GeoB1506-1; GeoB1508-1; GeoB1511-6; GeoB1512-1; GeoB1513-2; GeoB1515-2; GeoB1523-2; GeoB4304-1; GeoB4305-1; Giant box corer; GKG; Guadeloupe; Guinea Basin; Latitude of event; Longitude of event; M16/2; M35/1; M35002-1; M35003-6; M35004-1; M35005-3; M35006-6; M35008-1; M35010-2; M35012-6; M35013-3; M35014-1; M35015-1; M35018-1; M35019-1; M35020-2; M35023-3; M35024-6; M35026-2; M35030-1; M35032-1; M35034-3; M35035-1; M35036-3; M35037-1; M35038-1; M35039-1; M38/1; M9/4; Martinique; MARUM; Meteor (1986); Midatlantic Ridge; MUC; MultiCorer; Multiple revolver box corer; RASTA/GOLDFLOS; RKG; Season; SO164; SO164-01-3; SO164-02-3; SO164-03-3; SO164-04-2; SO164-07-3; SO164-18-1; SO164-19-3; SO164-20-2; SO164-21-3; SO164-22-2; SO164-23-3; SO164-24-3; SO164-25-3; SO164-48-2; SO164-50-3; Sonne; Venezuela Basin
    Type: Dataset
    Format: text/tab-separated-values, 661 data points
    Location Call Number Expected Availability
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